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Gestion des ressources en eau > Conservation de l'eau
PREFERRED TERM
Conservation de l'eau     Rechercher dans UNESDOC
NARROWER CONCEPTS
BELONGS TO GROUP
IN OTHER LANGUAGES
صون المياه
محافظة على المياه
حفظ الماء
صيانة الماء
URI
http://vocabularies.unesco.org/thesaurus/concept6331
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